Haniffa, M A, Ed.; Narayanan, M, Ed. Proceedings of the national symposium on environmental biology / Haniffa, M A, Ed.; Narayanan, M, Ed. - St. Xavier's College, Palayankottai, 1992 - p. ; 22 cm. Subjects--Topical Terms: Ecology; Biodiversity; Conservation Dewey Class. No.: 577 HAN-P